@article{GDZPPN002410796, title = {The Soluble Length of Soluble Linear Groups.}, journal = {Mathematische Zeitschrift}, volume = {129}, year = {1972}, pages = {59-70}, zbl = {0223.20055}, url = {http://dml.mathdoc.fr/item/GDZPPN002410796} }
Newman, M.F. The Soluble Length of Soluble Linear Groups.. Mathematische Zeitschrift, Tome 129 (1972) pp. 59-70. http://gdmltest.u-ga.fr/item/GDZPPN002410796/